CO4750843A1 - LOW DENSITY MICROFIBER NONWOVEN SUBSTRATE AND THE PRODUCTION PROCESS - Google Patents

LOW DENSITY MICROFIBER NONWOVEN SUBSTRATE AND THE PRODUCTION PROCESS

Info

Publication number
CO4750843A1
CO4750843A1 CO96060902A CO96060902A CO4750843A1 CO 4750843 A1 CO4750843 A1 CO 4750843A1 CO 96060902 A CO96060902 A CO 96060902A CO 96060902 A CO96060902 A CO 96060902A CO 4750843 A1 CO4750843 A1 CO 4750843A1
Authority
CO
Colombia
Prior art keywords
filaments
microfilaments
flow rate
melt flow
propylene
Prior art date
Application number
CO96060902A
Other languages
Spanish (es)
Inventor
Lawrence Howell Sawyer
Linda Ann Connor
Samuel Edward Marmon
Original Assignee
Kimberly Clark Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Kimberly Clark Co filed Critical Kimberly Clark Co
Publication of CO4750843A1 publication Critical patent/CO4750843A1/en

Links

Classifications

    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H3/00—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length
    • D04H3/02—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of forming fleeces or layers, e.g. reorientation of yarns or filaments
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H3/00—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length
    • D04H3/08—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of strengthening or consolidating
    • D04H3/16—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of strengthening or consolidating with bonds between thermoplastic filaments produced in association with filament formation, e.g. immediately following extrusion
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
    • D01F8/00—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof
    • D01F8/04—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers
    • D01F8/06—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers with at least one polyolefin as constituent
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H3/00—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length
    • D04H3/005—Synthetic yarns or filaments
    • D04H3/007—Addition polymers
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H3/00—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length
    • D04H3/018—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the shape
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
    • Y10T442/60—Nonwoven fabric [i.e., nonwoven strand or fiber material]
    • Y10T442/608—Including strand or fiber material which is of specific structural definition
    • Y10T442/614—Strand or fiber material specified as having microdimensions [i.e., microfiber]
    • Y10T442/622—Microfiber is a composite fiber
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
    • Y10T442/60—Nonwoven fabric [i.e., nonwoven strand or fiber material]
    • Y10T442/608—Including strand or fiber material which is of specific structural definition
    • Y10T442/614—Strand or fiber material specified as having microdimensions [i.e., microfiber]
    • Y10T442/625—Autogenously bonded
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
    • Y10T442/60—Nonwoven fabric [i.e., nonwoven strand or fiber material]
    • Y10T442/608—Including strand or fiber material which is of specific structural definition
    • Y10T442/614—Strand or fiber material specified as having microdimensions [i.e., microfiber]
    • Y10T442/626—Microfiber is synthetic polymer
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
    • Y10T442/60—Nonwoven fabric [i.e., nonwoven strand or fiber material]
    • Y10T442/637—Including strand or fiber material which is a monofilament composed of two or more polymeric materials in physically distinct relationship [e.g., sheath-core, side-by-side, islands-in-sea, fibrils-in-matrix, etc.] or composed of physical blend of chemically different polymeric materials or a physical blend of a polymeric material and a filler material
    • Y10T442/638—Side-by-side multicomponent strand or fiber material
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
    • Y10T442/60—Nonwoven fabric [i.e., nonwoven strand or fiber material]
    • Y10T442/637—Including strand or fiber material which is a monofilament composed of two or more polymeric materials in physically distinct relationship [e.g., sheath-core, side-by-side, islands-in-sea, fibrils-in-matrix, etc.] or composed of physical blend of chemically different polymeric materials or a physical blend of a polymeric material and a filler material
    • Y10T442/641—Sheath-core multicomponent strand or fiber material

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Nonwoven Fabrics (AREA)
  • Multicomponent Fibers (AREA)
  • Woven Fabrics (AREA)

Abstract

Un tejido no tramado abultado que comprende microfilamentosunidos por hilado en donde el tejido abultado tiene una densidad de desde alrededor de 0.01 g/cc a alrededor de 0.075 g/cc y dichos microfilamentos tienen un peso-por-unidad-longitud de entre alrededor de 0.1 dtex y alrededor de 1.0 dtex. 1Un proceso para producir un tejido no tramado abultado que comprende microfilamentos unidos por hilado cuyo proceso comprende: hilar con derretido filamentos conjugados de multicomponente contínuos que comprende un polímero de etileno de tasa de flujo de derretido alto y unipolímero de propileno de tasa de flujo de derretido alto, dicho polímero de etileno y el polímero de propileno están arreglados para ocupar zonas distintas a través de la sección transversal a lo largo de la longitud de dichos filamentos conjugados, dicho polímero de etileno ocupa por lo menos una parte de la superficie periférica a lo largo de la longitud de dichos filamentos conjugados en donde dicho polímero de etileno es un homopolímero o copolímero de etileno y tiene una tasa de flujo de derretido de entre alrededor de 60 g/10 min y alrededor de 400 g/10 min, según se mide con la norma ASTM D 1238-9Ob, condición de prueba 190/2.16, y dicho polímero de propileno es un homopolímero o copolímero de propileno y tiene una tasa de flujo de derretido de entre alrededor de 50 g/10 min y alrededor de 800 g/10 min, como se mide de acuerdo con la norma ASTM D 1238-90b, condición de prueba 230/2.16; enfriar los filamentos conjugados hilados de manera que los filamentos conjugados tengan una rizabilidad latente;jalar los filamentos conjugados hilados para formar microfilamentos; activar dicha rizabilidad latente de manera que los filamentos conjugados logren los rizados; y...A bulky non-woven fabric comprising yarn-bonded microfilaments wherein the bulky fabric has a density of from about 0.01 g / cc to about 0.075 g / cc and such microfilaments have a weight-per-unit-length of between about 0.1 dtex and about 1.0 dtex. 1A process for producing a bulky, non-woven fabric comprising yarn-bonded microfilaments, the process comprising: melt spinning continuous multi-component conjugate filaments comprising a high melt flow rate ethylene polymer and a melt flow rate propylene unipolymer high, said ethylene polymer and propylene polymer are arranged to occupy different zones through the cross section along the length of said conjugated filaments, said ethylene polymer occupies at least a part of the peripheral surface to the along the length of said conjugated filaments wherein said ethylene polymer is an ethylene homopolymer or copolymer and has a melt flow rate of between about 60 g / 10 min and about 400 g / 10 min, as measured with ASTM D 1238-9Ob, test condition 190 / 2.16, and said propylene polymer is a homopolymer or copolymer of propylene and has a melt flow rate of between about 50 g / 10 min and about 800 g / 10 min, as measured in accordance with ASTM D 1238-90b, test condition 230 / 2.16; cooling the spun conjugate filaments so that the conjugate filaments have latent curlibility, pulling the spun conjugate filaments to form microfilaments; activating said latent curlability so that the conjugated filaments achieve the curls; Y...

CO96060902A 1995-11-30 1996-11-19 LOW DENSITY MICROFIBER NONWOVEN SUBSTRATE AND THE PRODUCTION PROCESS CO4750843A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/565,328 US5672415A (en) 1995-11-30 1995-11-30 Low density microfiber nonwoven fabric

Publications (1)

Publication Number Publication Date
CO4750843A1 true CO4750843A1 (en) 1999-03-31

Family

ID=24258133

Family Applications (1)

Application Number Title Priority Date Filing Date
CO96060902A CO4750843A1 (en) 1995-11-30 1996-11-19 LOW DENSITY MICROFIBER NONWOVEN SUBSTRATE AND THE PRODUCTION PROCESS

Country Status (19)

Country Link
US (2) US5672415A (en)
EP (1) EP0864007B1 (en)
KR (1) KR100404288B1 (en)
CN (1) CN1168868C (en)
AR (1) AR004821A1 (en)
AU (1) AU700143B2 (en)
BR (1) BR9611837A (en)
CA (1) CA2236324C (en)
CO (1) CO4750843A1 (en)
DE (1) DE69620009T2 (en)
ES (1) ES2170885T3 (en)
MX (1) MX9804033A (en)
MY (1) MY121219A (en)
PE (1) PE36498A1 (en)
PL (1) PL182110B1 (en)
RU (1) RU2142528C1 (en)
TW (1) TW349135B (en)
WO (1) WO1997021863A2 (en)
ZA (1) ZA969250B (en)

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CN1168868C (en) 2004-09-29
EP0864007A2 (en) 1998-09-16
PE36498A1 (en) 1998-07-16
PL182110B1 (en) 2001-11-30
WO1997021863A3 (en) 1997-08-21
KR19990071771A (en) 1999-09-27
AU700143B2 (en) 1998-12-24
KR100404288B1 (en) 2003-12-18
RU2142528C1 (en) 1999-12-10
CA2236324A1 (en) 1997-06-19
CA2236324C (en) 2005-08-23
EP0864007B1 (en) 2002-03-20
AR004821A1 (en) 1999-03-10
US5672415A (en) 1997-09-30
MX9804033A (en) 1998-09-30
PL326921A1 (en) 1998-11-09
BR9611837A (en) 1999-07-13
DE69620009D1 (en) 2002-04-25
US5993714A (en) 1999-11-30
AU1079097A (en) 1997-07-03
CN1207779A (en) 1999-02-10
WO1997021863A2 (en) 1997-06-19
DE69620009T2 (en) 2002-11-21
ES2170885T3 (en) 2002-08-16
ZA969250B (en) 1997-06-30
MY121219A (en) 2006-01-28
TW349135B (en) 1999-01-01

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